153250249 has 2 divisors, whose sum is σ = 153250250. Its totient is φ = 153250248.

The previous prime is 153250243. The next prime is 153250271. The reversal of 153250249 is 942052351.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143233024 + 10017225 = 11968^2 + 3165^2 .

It is a cyclic number.

It is not a de Polignac number, because 153250249 - 2³ = 153250241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 153250249.

It is not a weakly prime, because it can be changed into another prime (153250241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76625124 + 76625125.

It is an arithmetic number, because the mean of its divisors is an integer number (76625125).

Almost surely, 2^153250249 is an apocalyptic number.

It is an amenable number.

153250249 is a deficient number, since it is larger than the sum of its proper divisors (1).

153250249 is an equidigital number, since it uses as much as digits as its factorization.

153250249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 153250249 is about 12379.4284601511. The cubic root of 153250249 is about 535.1395670464.

The spelling of 153250249 in words is "one hundred fifty-three million, two hundred fifty thousand, two hundred forty-nine".